#include <iostream>
#include <string>
#include <cstdlib>
#include <ctime>
#include <cctype>
using std::string;
const int NUM = 26;
const string  wordlist[NUM] = {"apiary", "beetle", "cereal", "danger", "ensign",
                "florid", "garage", "health", "inslult", "jackal", "keeper", "loaner",
                "manage", "nonce", "onset", "plaid", "quilt", "remote", "stolid", "train",
                "useful", "valid", "whence", "xenon", "yearn", "zippy"};
int main()
{
    using std::cout;
    using std::cin;
    using std::tolower;
    using std::endl;
    std::srand(std::time(0));
    char play;
    cout << "Will you play a word game? <y/n> ";
    cin >> play;
    play = tolower(play);
    while(play == 'y')
    {
        string target = wordlist[std::rand() % NUM];
        int length = target.length();
        string attempt(length, '-');
        string badchars;
        int guesses = 6;
        cout << "Guess my secret word. It has " << length << " letters, and you guess\n";
        cout << "one letter at a time. You get " << guesses << " wrong guesses.\n";
        cout << "You word: " << attempt << endl;
        while(guesses > 0 && attempt != target)
        {
            char letter;
            cout << "Guess a letter: ";
            cin >> letter;
            if(badchars.find(letter) != string::npos || attempt.find(letter) != string::npos)
            {
                cout << "You already guessed that. Tr again.\n";
                continue;
            }
            int loc = target.find(letter);
            if(loc == string::npos)
            {
                cout << "Oh, bad guess!\n";
                --guesses;
                badchars += letter;
            }
            else
            {
                cout << "Good guess!\n";
                attempt[loc] = letter;
            }
            loc = target.find(letter, loc + 1);
            while(loc != string::npos)
            {
                attempt[loc] = letter;
                loc = target.find(letter, loc + 1);
            }
            cout << "You word: " << attempt << endl;
            if(attempt != target)
            {
                if(badchars.length() > 0)
                    cout << "Bad choices: " << badchars << endl;
                cout << guesses << " bad guesses left\n";
            }
        }
        if(guesses > 0)
            cout << "That's right!\n";
        else
            cout << "Sorry, the word is " << target << ".\n";
        cout << "Will you play another? <y/n> ";
        cin >> play;
        play = tolower(play);
    }
    cout << "Bye.\n";
    return 0;
}
